Exemplos de hpsb_iso_n_ready em C++ (Cpp)

Exemplo n.º 1

Arquivo: iso.c Projeto: sarnobat/knoppix

int hpsb_iso_xmit_sync(struct hpsb_iso *iso)
{
	if (iso->type != HPSB_ISO_XMIT)
		return -EINVAL;

	return wait_event_interruptible(iso->waitq, hpsb_iso_n_ready(iso) == iso->buf_packets);
}

Exemplo n.º 2

Arquivo: firedtv-1394.c Projeto: KaZoom/buildroot-linux-kernel-m3

static void rawiso_activity_cb(struct hpsb_iso *iso)
{
	struct firedtv *f, *fdtv = NULL;
	unsigned int i, num, packet;
	unsigned char *buf;
	unsigned long flags;
	int count;

	spin_lock_irqsave(&node_list_lock, flags);
	list_for_each_entry(f, &node_list, list)
		if (f->backend_data == iso) {
			fdtv = f;
			break;
		}
	spin_unlock_irqrestore(&node_list_lock, flags);

	packet = iso->first_packet;
	num = hpsb_iso_n_ready(iso);

	if (!fdtv) {
		dev_err(fdtv->device, "received at unknown iso channel\n");
		goto out;
	}

	for (i = 0; i < num; i++, packet = (packet + 1) % iso->buf_packets) {
		buf = dma_region_i(&iso->data_buf, unsigned char,
			iso->infos[packet].offset + CIP_HEADER_SIZE);
		count = (iso->infos[packet].len - CIP_HEADER_SIZE) /
			MPEG2_TS_SOURCE_PACKET_SIZE;

		/* ignore empty packet */
		if (iso->infos[packet].len <= CIP_HEADER_SIZE)
			continue;

		while (count--) {
			if (buf[MPEG2_TS_HEADER_SIZE] == 0x47)
				dvb_dmx_swfilter_packets(&fdtv->demux,
						&buf[MPEG2_TS_HEADER_SIZE], 1);
			else
				dev_err(fdtv->device,
					"skipping invalid packet\n");
			buf += MPEG2_TS_SOURCE_PACKET_SIZE;
		}
	}
out:
	hpsb_iso_recv_release_packets(iso, num);
}